Home / 57,102,484.33-78,801,528.36-30,997,019.89

Finding the Fourth Proportional to 57,102,484.33, 78,801,528.36 and 30,997,019.89

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Solution

The fourth proportional to 57,102,484.33, 78,801,528.36 and 30,997,019.89 is: 42,775,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,484.33 : 78,801,528.36 = 30,997,019.89 : x
  2. Step 2: Convert to fraction form
    57,102,484.33/78,801,528.36 = 30,997,019.89/x
  3. Step 3: Cross multiply
    57,102,484.33x = 78,801,528.36 × 30,997,019.89
  4. Step 4: Simplify right side
    57,102,484.33x = 2,442,612,541,937,319
  5. Step 5: Solve for x
    x = 2,442,612,541,937,319/57,102,484.33
  6. Step 6: Final answer
    x = 42,775,941.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.